APA (7th ed.) Citation

Watzlawick, P. (2019). Archivmaterialien zu Paul Watzlawick, 1921-2007.

Chicago Style (17th ed.) Citation

Watzlawick, Paul. Archivmaterialien Zu Paul Watzlawick, 1921-2007. 2019.

MLA (9th ed.) Citation

Watzlawick, Paul. Archivmaterialien Zu Paul Watzlawick, 1921-2007. 2019.

Warning: These citations may not always be 100% accurate.